The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
The elephant brain weighs about 6,000g.
274
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
The octopus does not have a blind spot.
273
A giraffe's kick is so powerful that it can decapitate a lion.
216